Montserrado County is a county in the northwestern portion of the West African nation of Liberia. One of 15 counties that comprise the first-level of administrative division in the nation, it has four districts. Bensonville serves as the capital with the area of the county measuring 1,909 square kilometres (737 sq mi), the smallest in the country. As of the 2008 Census, it had a population of 1,144,806, making it the most populous county in Liberia.